Counterfeit
Videos
A counterfeit is a fake or unauthorized replica of a genuine product, such as money, documents, designer items, or other valuable goods. Counterfeiting generally involves creating an imitation of a ge
Counterfeit designer t-shirts at a flea market
Counterfeit Brazilian real banknotes
U.S. CBP Office of Field Operations agent checking the authenticity of a travel document at an international airport using a stereo microscope
Bulk bag of counterfeit Viagra
Authentication
Videos
Authentication is the act of proving an assertion, such as the identity of a computer system user. In contrast with identification, the act of indicating a person or thing's identity, authentication i
ATM user authenticating himself
A security hologram label on an electronics box for authentication
A military police officer checks a driver's identification card before allowing her to enter a military base.
NSA KAL-55B Tactical Authentication System used by the U.S. military during the Vietnam War – National Cryptologic Museum